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Internet Service Providers in Greece
List of the top 20 organizations with the largest IP allocations in Greece
Rank
Name
IPv4 addresses
IPv6 /64 networks
AS numbers
Prefixes
Ote SA (Hellenic Telecommunications Organisation)
4,145,920
1.16 x 2
36
3
164
VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA
2,591,232
1.9 x 2
35
2
535
RIPE Network Coordination Centre
1,257,216
1.72 x 2
35
1
99
4
Nova Telecommunications & Media Single Member S.A
981,248
1.38 x 2
35
2
380
5
National Infrastructures for Research and Technology S.A.
257,024
2
35
2
46
6
Greek High-School Internet Network
79,104
1.01 x 2
24
1
11
7
Technological Educational Institute of Crete
70,656
2
16
1
7
8
INTRACOM S.A. TELECOM SOLUTIONS
66,816
0
1
6
9
Foundation of Research and Technology Hellas
66,304
2
17
2
6
10
Aristotle University of Thessaloniki
65,792
2
16
1
3
11
University of Crete
65,792
2
16
1
3
12
National Technical University of Athens
65,536
2
16
1
2
13
Center for Research and Technology Hellas (CERTH)
65,536
2
16
1
2
14
National Center of Scientific Research DEMOKRITOS
65,536
2
16
1
2
15
Technical University of Crete
65,536
2
16
1
2
16
University of Athens
51,712
2
16
1
5
17
MEDIANET INVEST AE
46,848
1.01 x 2
35
1
169
18
Computer Technology Institute and Press "Diophantus"
32,768
0
1
1
19
Lancom Ltd.
26,368
1.01 x 2
24
2
60
20
ELLINIKA DIKTIA KALODION MEPE
23,552
0
1
23